Home / 39,861.72-59,758.64-17,662.99

Finding the Fourth Proportional to 39,861.72, 59,758.64 and 17,662.99

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Solution

The fourth proportional to 39,861.72, 59,758.64 and 17,662.99 is: 26,479.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,861.72 : 59,758.64 = 17,662.99 : x
  2. Step 2: Convert to fraction form
    39,861.72/59,758.64 = 17,662.99/x
  3. Step 3: Cross multiply
    39,861.72x = 59,758.64 × 17,662.99
  4. Step 4: Simplify right side
    39,861.72x = 1,055,515,983.56
  5. Step 5: Solve for x
    x = 1,055,515,983.56/39,861.72
  6. Step 6: Final answer
    x = 26,479.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.